diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S index 7486825d5f..4913beb8af 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S @@ -165,9 +165,12 @@ __pthread_cond_timedwait: je 60f movq dep_mutex(%rdi), %r8 - /* Requeue to a PI mutex if the PI bit is set. */ - testl $PI_BIT, MUTEX_KIND(%r8) - je 61f + /* Requeue to a non-robust PI mutex if the PI bit is set and + the robust bit is not set. */ + movl MUTEX_KIND(%r8), %eax + andl $(ROBUST_BIT|PI_BIT), %eax + cmpl $PI_BIT, %eax + jne 61f movl $(FUTEX_WAIT_REQUEUE_PI|FUTEX_PRIVATE_FLAG), %esi xorl %eax, %eax @@ -289,11 +292,10 @@ __pthread_cond_timedwait: /* If requeue_pi is used the kernel performs the locking of the mutex. */ -41: xorl %eax, %eax +41: movq 16(%rsp), %rdi testl %r15d, %r15d - jnz 63f + jnz 64f - movq 16(%rsp), %rdi callq __pthread_mutex_cond_lock 63: testq %rax, %rax @@ -316,12 +318,18 @@ __pthread_cond_timedwait: retq - /* Initial locking failed. */ -31: cfi_adjust_cfa_offset(4 * 8 + FRAME_SIZE) + cfi_adjust_cfa_offset(4 * 8 + FRAME_SIZE) cfi_rel_offset(%r12, FRAME_SIZE + 24) cfi_rel_offset(%r13, FRAME_SIZE + 16) cfi_rel_offset(%r14, FRAME_SIZE + 8) cfi_rel_offset(%r15, FRAME_SIZE) + +64: callq __pthread_mutex_cond_lock_adjust + movq %r14, %rax + jmp 48b + + /* Initial locking failed. */ +31: #if cond_lock != 0 addq $cond_lock, %rdi #endif |